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Answer |
 The left diagram is the actual
stimulus, with low tones at 400 Hz (white box) and
high tones at 800 Hz (black box), so at each moment
there are tones in both ears, that switch with each
repetition.
As documented by Diana Deutsch, most listeners will hear the high tones in one ear and the low tones in the other, but when the headphones are switched, the pattern will likely stay the same. Most right-handed listeners will hear the high tones in the right ear, and the low tones in the left, due to the contralateral aspect of hearing, but left-handed listeners are just as likely to locate the high tone in either ear. Evidently high tones are more likely to be localized in the opposite ear to what is called the "dominant" hemisphere. Don't worry if the percept you came up with is different from this typical result, as variations in hemispheric behaviour are common. |